COTOHA API で構文解析 (Node.js)

COTOHA API Portal の使用例です。

次と同じことを Node.js で行いました。

COTOHA API で構文解析

フォルダー構造

$ tree -a
.
├── .env
├── get_config.js
├── get_token.js
└── parsing.js

```js:parsing.js
#! /usr/bin/node
// ---------------------------------------------------------------
//
//	parsing.js
//
//					Feb/23/2020
//
// ---------------------------------------------------------------
var get_config = require('./get_config.js')
var get_token = require('./get_token.js')
// ---------------------------------------------------------------
function parse_proc(config,sentence)
{
	var Client = require('node-rest-client').Client

	const headers={
		"Content-Type": "application/json",
		"Authorization": "Bearer " + config.access_token
		}

	const data = {
		"sentence": sentence,
		"type": "default"
		}

	const url = config.developer_api_base + "v1/parse"

	const args = {
		data: data,
		headers: headers
		}

	var client = new Client()

	client.post(url, args, function (data, response) {
		for (it in data["result"])
			{
			for (jt in data["result"][it].tokens)
				{
				const token = data["result"][it].tokens[jt]
				console.log (token.form + "\t" + token.pos)
				}
			}
		console.error ("*** 終了 ***")
	})
}

// ---------------------------------------------------------------
console.error ("*** 開始 ***")

const sentence = "特急はくたか"

const config = get_config.get_config_proc()

get_token.get_token_proc(config,sentence,parse_proc)

// ---------------------------------------------------------------

get_config.js

// ---------------------------------------------------------------
//
//	get_config.js
//
//					Feb/23/2020
//
// ---------------------------------------------------------------
exports.get_config_proc = function ()
{
	const dotenv = require('dotenv')

	dotenv.config()

	const config = {
		client_id: `${process.env.CLIENT_ID}`,
		client_secret: `${process.env.CLIENT_SECRET}`,
		developer_api_base: `${process.env.DEVELOPER_API_BASE_URL}`,
		access_token_publish_url: `${process.env.ACCESS_TOKEN_PUBLISH_URL}`,
}

	return config
}

// ---------------------------------------------------------------

get_token.js

// ---------------------------------------------------------------
//
//	get_token.js
//
//					Feb/23/2020
//
// ---------------------------------------------------------------
exports.get_token_proc = function(config,sentence,callback)
{
	var Client = require('node-rest-client').Client

	const data = {
		"grantType": "client_credentials",
		"clientId": config.client_id,
		"clientSecret": config.client_secret
		}

	const url = config.access_token_publish_url

	const headers={
		"Content-Type": "application/json"
		}

	const args = {
		data: data,
		headers: headers
	}

	var client = new Client()

	client.post(url, args, function (data, response) {
		config['access_token'] = data.access_token
		callback(config,sentence)
	})
}

// ---------------------------------------------------------------

実行コマンド

export NODE_PATH=/usr/lib/node_modules
./parsing.js